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An adaptive protection scheme using digital relays with a communication network is proposed for the protection of the distributed systems. The impact of distributed generators on protection coordination is first discussed. Then, an adaptive protection scheme is proposed for distributed systems with distributed generation (DG). Simulated results on an actual distribution system show that the proposed...
The value setting of the traditional distance protection has become very difficult for the distribution system with distributed generators (DGs) owing to the randomness of the DG output power. This paper proposes a new adaptive distance protection scheme to solve this problem. Firstly, on the basis of the connected point of DGs, the protected feeders are divided into different zones, with adaptive...
Advanced distribution operation is an increasingly important function for smart grid, and a reliable communication network constitutes the core of the advanced distribution automation system. Ethernet Passive Optical Network (EPON) is regarded as a promising fiber-based communication technique for advanced distribution automation because it is not only high-speed, cost-effective but also scalable...
In this paper, we adopt a novel applied approach to fault detection based on data mining theory. In our researches, global information will be introduced into the electric power system, we are using mainly cluster analysis technology of data mining theory to resolve fast and exact discrimination of faulty components and faulty sections, and finally accomplish fault detection in electric power systems...
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